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5.3 Medium

CVE-2021-22556 The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache…

Description

The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don’t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.

Affected products and versions

Product Affected versions Fixed in
Fuchsia Kernel 4.1 earliest → < 4.1 4.1

Other CVEs of Fuchsia Kernel

The 2 CVEs of Fuchsia Kernel →
CVE-2022-0882 A bug exists where an attacker can read the kernel log through exposed Zircon kernel addresses without the required… 5.3 Medium
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